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MASTER: PSN in PGC556833

ATel #8377; E. Popova, V. Lipunov, E. Gorbovskoy (Lomonosov MSU), D. Buckley (SAAO), N. Tiurina, P. Balanutsa, A. Kuznetsov, O. Gress, D. Vlasenko, I. Gorbunov, V. Shumkov, V. Vladimirov (Lomonosov Moscow State University, Sternberg Astronomical Institute), S. Potter, M. Kotze (South African Astronomical Observatory)
on 7 Dec 2015; 16:14 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Supernovae, Transient, Variables

MASTER OT J064533.25-425126.4 discovery - possible SN in 2.6W 8.9N from PGC556833 (2MASS) galaxy

MASTER-SAAO auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 349171 )discovered OT source at (RA, Dec) = 06h 45m 33.25s -42d 51m 26.4s on 2015-12-06.02329 UT.
The OT unfiltered magnitude is 18.0m (the limit is 19.5m).
The OT is seen in 5 images. There is no minor planet at this place. We have reference image without OT on 2015-02-18 21:58:09 UT with 20.6 unfiltered magnitude limit.

This PSN is in 2.6W 8.9N from PGC556833 with B=17.8, I=15.5.

Spectral observations are required.

The discovery and reference images are available at http://master.sai.msu.ru/static/OT/MASTER064533.25-425126.4.jpg

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net